Kumer, Andrew
Current rating: 1493
Record: 19-21-1
| Grand Prix Toronto 2019 (modern) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 369 | Batur, Berent (1480) | Won 2-0 | +181506 |
| 2modern | 185 | Arsenault, Caleb (1519) | Lost 1-2 | -171489 |
| 3modern | 301 | Seto, Galone (1642) | Lost 0-2 | -161473 |
| 4modern | 519 | Benoit, Eric (1489) | Won 2-0 | +191492 |
| 5modern | 465 | Dubyk, Dilon (1560) | Won 2-0 | +191511 |
| 6modern | 257 | Davis, Ben [CAN] (1534) | Lost 1-2 | -181493 |
| top | average opponent: 1537record: 3-3 | new rating: 1493 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 43 | Reardon, Justin (1588) | Lost 1-2 | -171508 |
| 2modern | 535 | St-Pierre, Zacharie (1448) | Won 2-0 | +171525 |
| 3modern | 584 | McNaughten, Richard (1530) | Lost 1-2 | -181507 |
| 4modern | 614 | Denno, Maxim (1484) | Lost 1-2 | -191488 |
| top | average opponent: 1512record: 1-3 | new rating: 1488 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 713 | Peralta, Tristan (1484) | Won 2-1 | +181493 |
| 2modern | 216 | Uphoff, Thomas (1570) | Won 2-1 | +191512 |
| 3modern | 16 | Johnson, Ben (1567) | Won 2-1 | +191531 |
| 4modern | 424 | Cuellar, David (1540) | Lost 0-2 | -171514 |
| 5modern | 457 | Mains, Matthew (1481) | Won 2-0 | +171531 |
| 6modern | 365 | Wen, Ming (1560) | Won 2-1 | +181549 |
| 7modern | 114 | Nunez, David (1757) | Lost 0-2 | -141535 |
| 8modern | 184 | Scott, Todd (1658) | Lost 0-2 | -161519 |
| 9modern | 439 | Rocco, Craig (1759) | Won 2-0 | +231542 |
| 10modern | 295 | Clemente, Zachary (1563) | Won 2-0 | +181560 |
| 11modern | 136 | Lim, Alexander 288 (1562) | Lost 0-2 | -181542 |
| 12modern | 184 | Willi, Thomas (1572) | Lost 0-2 | -171525 |
| top | average opponent: 1589record: 7-5 | new rating: 1525 | ||
| Grand Prix Toronto 2016 (SOI standard) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 268 | Maclean, Ariq (1525) | Won 2-0 | +191504 |
| 2standard | 274 | Sears, Ethan (1518) | Draw 1-1 | 01504 |
| 3standard | 345 | Gothard, Kevin (1537) | Lost 0-2 | -171487 |
| 4standard | 484 | Comber, Jonathon (1583) | Won 2-0 | +201507 |
| 5standard | 340 | Lai, Andrew (1534) | Lost 0-2 | -181489 |
| 6standard | 467 | Kailing, Michael (1700) | Lost 0-2 | -141475 |
| top | average opponent: 1566record: 2-3-1 | new rating: 1475 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 851 | Dail, Chris (1500) | Won 2-0 | +181524 |
| 2modern | 80 | Wilson, Chris (1425) | Lost 1-2 | -201504 |
| 3modern | 943 | Hooks, Jason (1502) | Lost 1-2 | -181486 |
| 4modern | 958 | Irwin, Ryley (1464) | Lost 1-2 | -191467 |
| 5modern | 1071 | McCreedy, Bradley (1465) | Won 2-1 | +181485 |
| 6modern | 1004 | Langford, David (1481) | Won 2-1 | +181503 |
| 7modern | 781 | VanDeWinkle, Allen (1499) | Lost 0-2 | -181485 |
| top | average opponent: 1477record: 3-4 | new rating: 1485 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 90 | Kosa, Tom (1500) | Won 2-1 | +181518 |
| 2modern | 139 | Sabia, Sean (1517) | Won 2-0 | +181536 |
| 3modern | 185 | Frado, Jean-Louis (1589) | Lost 0-2 | -171519 |
| 4modern | 164 | Knarich, Stephen (1442) | Won 2-1 | +171536 |
| 5modern | 141 | Zatlkaj, Matej (1896) | Lost 0-2 | -121524 |
| 6modern | 311 | Parow, Timothy (1520) | Lost 0-2 | -181506 |
| top | average opponent: 1577record: 3-3 | new rating: 1506 | ||